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为了使轮式拖拉机能更好地在水田中工作,我们设计了一种用作轮式拖拉机后轮的叶轮。叶轮是以三角刺轮为基础设计出来的(它采纳了三角轮刺的优点)。在这种轮子上面,轮辋只是两个5公分宽的角铁圈,两角铁圈之间是空的,安置有25—30公分宽,6—8公厘厚钢板制成的轮叶。这些轮叶伸进轮辋以内约10—12公分,又伸出轮辋以外约7—9公分;轮辋以内的轮叶是弯曲的
In order to make wheeled tractors work better in paddy fields, we designed an impeller that is used as the rear wheel of a wheeled tractor. The impeller is based on the triangle wheel design (which takes the advantages of triangular wheel thorn). On top of this wheel, the rims are just two angle iron rings 5 cm wide. The space between the two iron rings is empty. The wheels are made of steel plates 25-30 cm wide and 6-8 mm thick. These blades extend about 10-12 cm inside the rim and about 7-9 cm beyond the rim; the buckets within the rim are curved